Tracy Nelson Maurer is the award-winning author of over a hundred books, including Samuel Morse, That's Who!, and John Deere, That's Who!, which was a NSTA Best STEM Book of the Year and a NCSS Notable Social Studies Trade Book, among other honors. Tracy loves to interact with readers on her frequent school and library visits. She lives with her family in Minnesota.
Ginnie Hsu is an artist, designer, maker, and educator currently working as an assistant professor of illustration at Syracuse University. She lives in upstate New York.